Kilopascal (kPa) - Pressure Unit - Definition, Application, Conversions

What is the kilopascal (kPa)?

The kilopascal (kPa) is a unit of pressure in the SI (International System of Units) system of measurement equal to one thousand pascals 1 kPa = 1000 Pa.

The introduction of the kilopascal stems from the need to facilitate measurement and recording for larger pressure values, where the use of pascals would be impractical due to the large number of digits.

Kilopascal is a commonly used unit in the industry regarding industrial hoses, particularly for medium-range working pressures. The working pressure of hoses and hose couplings is defined in kilopascals to ensure safe and efficient system operation. Precisely defining working pressure in kPa is essential when selecting suitable components.

When are kilopascals used to measure pressure?

Kilopascals are used to measure pressure in the following applications:

• Engineering and construction - In engineering, particularly mechanical and civil engineering, the kPa unit is used to measure stress as well as pressure in structures, materials and hydraulic systems. This is crucial for the design and safety analysis of structures such as bridges, buildings or dams. 
• Automation and industry - In industry, kPa is used to measure pressure in various systems such as air compressors, HVAC (heating, ventilation and air-conditioning) systems and in controlled technological processes. 
• Meteorology - Although meteorology is dominated by the usage of hectopascals (hPa), kPa can be used in specific situations, such as atmospheric studies requiring greater precision. 
• Medicine - In medicine, kilopascals are sometimes used to measure blood pressure, as an alternative to traditional units such as mmHg (millimetres of mercury). 
• Automotive - In automotive, kPa is often used to determine tyre pressure, which is crucial for vehicle safety and fuel efficiency. 
• Science and research - In scientific research, especially in physics and chemistry, kPa is used for precise pressure measurements in experiments and laboratory studies.

How to measure pressure in kilopascals?

To measure pressure in kilopascals (kPa), you need the right equipment, such as a pressure gauge calibrated in this unit or in units that can be easily converted to kilopascals.

1. Choose the right pressure gauge - You can use a mechanical or digital pressure gauge, calibrated directly in kPa.
2. Identify the measuring point - Determine where you want to measure the pressure (e.g. in a water, gas or ventilation system).
3. Connect the pressure gauge - Connect the pressure gauge to the measuring point. Make sure the connection is tight to prevent leaks that could falsify the result.
4. Read the result - In a mechanical pressure gauge, the pressure will be indicated by the dial on the device. In a digital pressure gauge, the measurement result will appear on the display.

If your device measures pressure in other pressure units, you can convert it to kilopascals using the appropriate pressure converters.

Conversion of pressure unit kilopascal (kPa)

• 1 kPa = 0,01 bar
• 1 kPa = 1000 Pa
• 1 kPa = 10 hPa
• 1 kPa = 0,001 MPa
• 1 kPa = 0,00986923 atm
• 1 kPa = 0,145038 PSI
• 1 kPa = 101,971621 mmH2O
• 1 kPa = 4,01865 inH2O
• 1 kPa = 7,50062 Tr
• 1 kPa = 7,50062 mmHg
• 1 kPa = 0,2953 inHg
• 1 kPa = 20,8855 PSF
• 1 kPa = 0,0101972 at
  

1 kilopascal (kPa) = 0,01 bar = 1000 Pa = 10 hPa = 0,001 MPa = 0,00986923 atm = 0,145038 PSI = 101,971621 mmH2O = 4,01865 inH2O = 7,50062 Tr = 7,50062 mmHg = 0,2953 inHg = 20,8855 PSF = 0,0101972 at

kPa to Bar - Kilopascal to Bar pressure unit conversion

To convert pressure from Kilopascal (kPa) to Bar multiply the pressure in Kilopascal (kPa) by 0,01.

• 1 kPa to bar? 1 kPa is equal to 0,01 bar
• 2 kPa to bar? 2 kPa is equal to 0,02 bar
• 5 kPa to bar? 5 kPa is equal to 0,05 bar
• 10 kPa to bar? 10 kPa is equal to 0,1 bar
• 20 kPa to bar? 20 kPa is equal to 0,2 bar
• 50 kPa to bar? 50 kPa is equal to 0,5 bar
• 100 kPa to bar? 100 kPa is equal to 1 bar
• 200 kPa to bar? 200 kPa is equal to 2 bar
• 210 kPa to bar? 210 kPa is equal to 2,1 bar
• 220 kPa to bar? 220 kPa is equal to 2,2 bar
• 225 kPa to bar? 225 kPa is equal to 2,25 bar
• 230 kPa to bar? 230 kPa is equal to 2,3 bar
• 240 kPa to bar? 240 kPa is equal to 2,4 bar
• 250 kPa to bar? 250 kPa is equal to 2,5 bar
• 260 kPa to bar? 260 kPa is equal to 2,6 bar
• 270 kPa to bar? 270 kPa is equal to 2,7 bar
• 280 kPa to bar? 280 kPa is equal to 2,8 bar
• 300 kPa to bar? 300 kPa is equal to 3 bar
• 340 kPa to bar? 340 kPa is equal to 3,4 bar
• 350 kPa to bar? 350 kPa is equal to 3,5 bar
• 400 kPa to bar? 400 kPa is equal to 4 bar
• 420 kPa to bar? 420 kPa is equal to 4,2 bar
• 450 kPa to bar? 450 kPa is equal to 4,5 bar
• 500 kPa to bar? 500 kPa is equal to 5 bar
• 1000 kPa to bar? 1000 kPa is equal to 10 bar

kPa to Pa - Kilopascal to Pascal pressure unit conversion

To convert pressure from Kilopascal (kPa) to Pascal (Pa) multiply the pressure in Kilopascal (kPa) by 1000.

• 1 kPa to Pa? 1 kPa is equal to 1000 Pa
• 2 kPa to Pa? 2 kPa is equal to 2000 Pa
• 5 kPa to Pa? 5 kPa is equal to 5000 Pa
• 10 kPa to Pa? 10 kPa is equal to 10000 Pa
• 20 kPa to Pa? 20 kPa is equal to 20000 Pa
• 50 kPa to Pa? 50 kPa is equal to 50000 Pa
• 100 kPa to Pa? 100 kPa is equal to 100000 Pa
• 101,3 kPa to Pa? 101,3 kPa is equal to 101300 Pa
• 200 kPa to Pa? 200 kPa is equal to 200000 Pa
• 500 kPa to Pa? 500 kPa is equal to 500000 Pa
• 1000 kPa to Pa? 1000 kPa is equal to 1000000 Pa

kPa to hPa - Kilopascal to Hectopascal pressure unit conversion

To convert pressure from Kilopascal (kPa) to Hectopascal (hPa) multiply the pressure in Kilopascal (kPa) by 10.

• 1 kPa to hPa? 1 kPa is equal to 10 hPa
• 2 kPa to hPa? 2 kPa is equal to 20 hPa
• 5 kPa to hPa? 5 kPa is equal to 50 hPa
• 10 kPa to hPa? 10 kPa is equal to 100 hPa
• 20 kPa to hPa? 20 kPa is equal to 200 hPa
• 50 kPa to hPa? 50 kPa is equal to 500 hPa
• 100 kPa to hPa? 100 kPa is equal to 1000 hPa
• 108 kPa to hPa? 108 kPa is equal to 1080 hPa
• 140 kPa to hPa? 140 kPa is equal to 1400 hPa
• 145 kPa to hPa? 145 kPa is equal to 1450 hPa
• 150 kPa to hPa? 150 kPa is equal to 1500 hPa
• 155 kPa to hPa? 155 kPa is equal to 1550 hPa
• 156 kPa to hPa? 156 kPa is equal to 1560 hPa
• 200 kPa to hPa? 200 kPa is equal to 2000 hPa
• 210 kPa to hPa? 210 kPa is equal to 2100 hPa
• 220 kPa to hPa? 220 kPa is equal to 2200 hPa
• 225 kPa to hPa? 225 kPa is equal to 2250 hPa
• 230 kPa to hPa? 230 kPa is equal to 2300 hPa
• 240 kPa to hPa? 240 kPa is equal to 2400 hPa
• 250 kPa to hPa? 250 kPa is equal to 2500 hPa
• 260 kPa to hPa? 260 kPa is equal to 2600 hPa
• 270 kPa to hPa? 270 kPa is equal to 2700 hPa
• 280 kPa to hPa? 280 kPa is equal to 2800 hPa
• 300 kPa to hPa? 300 kPa is equal to 3000 hPa
• 340 kPa to hPa? 340 kPa is equal to 3400 hPa
• 350 kPa to hPa? 350 kPa is equal to 3500 hPa
• 400 kPa to hPa? 400 kPa is equal to 4000 hPa
• 420 kPa to hPa? 420 kPa is equal to 4200 hPa
• 500 kPa to hPa? 500 kPa is equal to 5000 hPa
• 600 kPa to hPa? 600 kPa is equal to 6000 hPa
• 1000 kPa to hPa? 1000 kPa is equal to 10000 hPa

kPa to MPa - Kilopascal to Megapascal pressure unit conversion

To convert pressure from Kilopascal (kPa) to Megapascal (MPa) multiply the pressure in Kilopascal (kPa) by 0,001.

• 1 kPa to MPa? 1 kPa is equal to 0,001 MPa
• 2 kPa to MPa? 2 kPa is equal to 0,002 MPa
• 5 kPa to MPa? 5 kPa is equal to 0,005 MPa
• 10 kPa to MPa? 10 kPa is equal to 0,01 MPa
• 20 kPa to MPa? 20 kPa is equal to 0,02 MPa
• 50 kPa to MPa? 50 kPa is equal to 0,05 MPa
• 100 kPa to MPa? 100 kPa is equal to 0,1 MPa
• 200 kPa to MPa? 200 kPa is equal to 0,2 MPa
• 400 kPa to MPa? 400 kPa is equal to 0,4 MPa
• 500 kPa to MPa? 500 kPa is equal to 0,5 MPa
• 800 kPa to MPa? 800 kPa is equal to 0,8 MPa
• 1000 kPa to MPa? 1000 kPa is equal to 1 MPa

kPa to atm - Kilopascal to Atmosphere pressure unit conversion

To convert pressure from Kilopascal (kPa) to Atmosphere (atm) multiply the pressure in Kilopascal (kPa) by 0,00986923.

• 1 kPa to atm? 1 kPa is equal to 0,0098692 atm
• 2 kPa to atm? 2 kPa is equal to 0,0197385 atm
• 5 kPa to atm? 5 kPa is equal to 0,0493462 atm
• 10 kPa to atm? 10 kPa is equal to 0,0986923 atm
• 20 kPa to atm? 20 kPa is equal to 0,1973846 atm
• 50 kPa to atm? 50 kPa is equal to 0,4934615 atm
• 100 kPa to atm? 100 kPa is equal to 0,986923 atm
• 200 kPa to atm? 200 kPa is equal to 1,973846 atm
• 250 kPa to atm? 250 kPa is equal to 2,4673075 atm
• 500 kPa to atm? 500 kPa is equal to 4,934615 atm
• 1000 kPa to atm? 1000 kPa is equal to 9,86923 atm

kPa to PSI - Kilopascal to PSI pressure unit conversion

To convert pressure from Kilopascal (kPa) to PSI multiply the pressure in Kilopascal (kPa) by 0,145038.

• 1 kPa to PSI? 1 kPa is equal to 0,145038 PSI
• 2 kPa to PSI? 2 kPa is equal to 0,290076 PSI
• 5 kPa to PSI? 5 kPa is equal to 0,72519 PSI
• 10 kPa to PSI? 10 kPa is equal to 1,45038 PSI
• 20 kPa to PSI? 20 kPa is equal to 2,90076 PSI
• 50 kPa to PSI? 50 kPa is equal to 7,2519 PSI
• 70 kPa to PSI? 70 kPa is equal to 10,15266 PSI
• 80 kPa to PSI? 80 kPa is equal to 11,60304 PSI
• 100 kPa to PSI? 100 kPa is equal to 14,5038 PSI
• 100 kPa to PSI? 100 kPa is equal to 14,5038 PSI
• 108 kPa to PSI? 108 kPa is equal to 15,664104 PSI
• 140 kPa to PSI? 140 kPa is equal to 20,30532 PSI
• 145 kPa to PSI? 145 kPa is equal to 21,03051 PSI
• 150 kPa to PSI? 150 kPa is equal to 21,7557 PSI
• 180 kPa to PSI? 180 kPa is equal to 26,10684 PSI
• 190 kPa to PSI? 190 kPa is equal to 27,55722 PSI
• 200 kPa to PSI? 200 kPa is equal to 29,0076 PSI
• 200 kPa to PSI? 200 kPa is equal to 29,0076 PSI
• 210 kPa to PSI? 210 kPa is equal to 30,45798 PSI
• 220 kPa to PSI? 220 kPa is equal to 31,90836 PSI
• 225 kPa to PSI? 225 kPa is equal to 32,63355 PSI
• 230 kPa to PSI? 230 kPa is equal to 33,35874 PSI
• 240 kPa to PSI? 240 kPa is equal to 34,80912 PSI
• 250 kPa to PSI? 250 kPa is equal to 36,2595 PSI
• 255 kPa to PSI? 255 kPa is equal to 36,98469 PSI
• 280 kPa to PSI? 280 kPa is equal to 40,61064 PSI
• 300 kPa to PSI? 300 kPa is equal to 43,5114 PSI
• 350 kPa to PSI? 350 kPa is equal to 50,7633 PSI
• 420 kPa to PSI? 420 kPa is equal to 60,91596 PSI
• 500 kPa to PSI? 500 kPa is equal to 72,519 PSI
• 550 kPa to PSI? 550 kPa is equal to 79,7709 PSI
• 600 kPa to PSI? 600 kPa is equal to 87,0228 PSI
• 1000 kPa to PSI? 1000 kPa is equal to 145,038 PSI

kPa to mmH2O - Kilopascal to Milimetre of water column pressure unit conversion

To convert pressure from Kilopascal (kPa) to Milimetre of water column (mmH2O) multiply the pressure in Kilopascal (kPa) by 101,971621.

• 1 kPa to mmH2O? 1 kPa is equal to 101,971621 mmH2O
• 2 kPa to mmH2O? 2 kPa is equal to 203,943242 mmH2O
• 5 kPa to mmH2O? 5 kPa is equal to 509,858105 mmH2O
• 10 kPa to mmH2O? 10 kPa is equal to 1019,71621 mmH2O
• 20 kPa to mmH2O? 20 kPa is equal to 2039,43242 mmH2O
• 50 kPa to mmH2O? 50 kPa is equal to 5098,58105 mmH2O
• 100 kPa to mmH2O? 100 kPa is equal to 10197,1621 mmH2O
• 200 kPa to mmH2O? 200 kPa is equal to 20394,3242 mmH2O
• 500 kPa to mmH2O? 500 kPa is equal to 50985,8105 mmH2O
• 1000 kPa to mmH2O? 1000 kPa is equal to 101971,621 mmH2O

kPa to inH2O - Kilopascal to Inch of water column pressure unit conversion

To convert pressure from Kilopascal (kPa) to Inch of water column (inH2O) multiply the pressure in Kilopascal (kPa) by 4,01865.

• 1 kPa to inH2O? 1 kPa is equal to 4,01865 inH2O
• 2 kPa to inH2O? 2 kPa is equal to 8,0373 inH2O
• 5 kPa to inH2O? 5 kPa is equal to 20,09325 inH2O
• 10 kPa to inH2O? 10 kPa is equal to 40,1865 inH2O
• 20 kPa to inH2O? 20 kPa is equal to 80,373 inH2O
• 50 kPa to inH2O? 50 kPa is equal to 200,9325 inH2O
• 100 kPa to inH2O? 100 kPa is equal to 401,865 inH2O
• 200 kPa to inH2O? 200 kPa is equal to 803,73 inH2O
• 500 kPa to inH2O? 500 kPa is equal to 2009,325 inH2O
• 1000 kPa to inH2O? 1000 kPa is equal to 4018,65 inH2O

kPa to torr - Kilopascal to torr pressure unit conversion

To convert pressure from Kilopascal (kPa) to torr (Tr) multiply the pressure in Kilopascal (kPa) by 7,50062.

• 1 kPa to torr? 1 kPa is equal to 7,50062 torr
• 2 kPa to torr? 2 kPa is equal to 15,00124 torr
• 5 kPa to torr? 5 kPa is equal to 37,5031 torr
• 10 kPa to torr? 10 kPa is equal to 75,0062 torr
• 20 kPa to torr? 20 kPa is equal to 150,0124 torr
• 50 kPa to torr? 50 kPa is equal to 375,031 torr
• 100 kPa to torr? 100 kPa is equal to 750,062 torr
• 101,3 kPa to torr? 101,3 kPa is equal to 759,812806 torr
• 200 kPa to torr? 200 kPa is equal to 1500,124 torr
• 500 kPa to torr? 500 kPa is equal to 3750,31 torr
• 1000 kPa to torr? 1000 kPa is equal to 7500,62 torr

kPa to mmHg - Kilopascal to Milimetre of mercury column pressure unit conversion

To convert pressure from Kilopascal (kPa) to Milimetre of mercury column (mmHg) multiply the pressure in Kilopascal (kPa) by 7,50062.

• 1 kPa to mmHg? 1 kPa is equal to 7,50062 mmHg
• 2 kPa to mmHg? 2 kPa is equal to 15,00124 mmHg
• 5 kPa to mmHg? 5 kPa is equal to 37,5031 mmHg
• 10 kPa to mmHg? 10 kPa is equal to 75,0062 mmHg
• 20 kPa to mmHg? 20 kPa is equal to 150,0124 mmHg
• 50 kPa to mmHg? 50 kPa is equal to 375,031 mmHg
• 100 kPa to mmHg? 100 kPa is equal to 750,062 mmHg
• 200 kPa to mmHg? 200 kPa is equal to 1500,124 mmHg
• 500 kPa to mmHg? 500 kPa is equal to 3750,31 mmHg
• 1000 kPa to mmHg? 1000 kPa is equal to 7500,62 mmHg

kPa to inHg - Kilopascal to Inch of mercury column pressure unit conversion

To convert pressure from Kilopascal (kPa) to Inch of mercury column (inHg) multiply the pressure in Kilopascal (kPa) by 0,2953.

• 1 kPa to inHg? 1 kPa is equal to 0,2953 inHg
• 2 kPa to inHg? 2 kPa is equal to 0,5906 inHg
• 5 kPa to inHg? 5 kPa is equal to 1,4765 inHg
• 10 kPa to inHg? 10 kPa is equal to 2,953 inHg
• 20 kPa to inHg? 20 kPa is equal to 5,906 inHg
• 50 kPa to inHg? 50 kPa is equal to 14,765 inHg
• 100 kPa to inHg? 100 kPa is equal to 29,53 inHg
• 200 kPa to inHg? 200 kPa is equal to 59,06 inHg
• 500 kPa to inHg? 500 kPa is equal to 147,65 inHg
• 1000 kPa to inHg? 1000 kPa is equal to 295,3 inHg

kPa to PSF - Kilopascal to PSF pressure unit conversion

To convert pressure from Kilopascal (kPa) to PSF multiply the pressure in Kilopascal (kPa) by 20,8855.

• 1 kPa to PSF? 1 kPa is equal to 20,8855 PSF
• 2 kPa to PSF? 2 kPa is equal to 41,771 PSF
• 5 kPa to PSF? 5 kPa is equal to 104,4275 PSF
• 10 kPa to PSF? 10 kPa is equal to 208,855 PSF
• 20 kPa to PSF? 20 kPa is equal to 417,71 PSF
• 50 kPa to PSF? 50 kPa is equal to 1044,275 PSF
• 100 kPa to PSF? 100 kPa is equal to 2088,55 PSF
• 200 kPa to PSF? 200 kPa is equal to 4177,1 PSF
• 500 kPa to PSF? 500 kPa is equal to 10442,75 PSF
• 1000 kPa to PSF? 1000 kPa is equal to 20885,5 PSF

kPa to at - Kilopascal to Technical atmosphere pressure unit conversion

To convert pressure from Kilopascal (kPa) to Technical Atmosphere (at) multiply the pressure in Kilopascal (kPa) by 0,0101972.

• 1 kPa to at? 1 kPa is equal to 0,0101972 at
• 2 kPa to at? 2 kPa is equal to 0,0203944 at
• 5 kPa to at? 5 kPa is equal to 0,050986 at
• 10 kPa to at? 10 kPa is equal to 0,101972 at
• 20 kPa to at? 20 kPa is equal to 0,203944 at
• 50 kPa to at? 50 kPa is equal to 0,50986 at
• 100 kPa to at? 100 kPa is equal to 1,01972 at
• 200 kPa to at? 200 kPa is equal to 2,03944 at
• 500 kPa to at? 500 kPa is equal to 5,0986 at
• 1000 kPa to at? 1000 kPa is equal to 10,1972 at